(2x+9)+(x-5)=25

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Solution for (2x+9)+(x-5)=25 equation:


Simplifying
(2x + 9) + (x + -5) = 25

Reorder the terms:
(9 + 2x) + (x + -5) = 25

Remove parenthesis around (9 + 2x)
9 + 2x + (x + -5) = 25

Reorder the terms:
9 + 2x + (-5 + x) = 25

Remove parenthesis around (-5 + x)
9 + 2x + -5 + x = 25

Reorder the terms:
9 + -5 + 2x + x = 25

Combine like terms: 9 + -5 = 4
4 + 2x + x = 25

Combine like terms: 2x + x = 3x
4 + 3x = 25

Solving
4 + 3x = 25

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-4' to each side of the equation.
4 + -4 + 3x = 25 + -4

Combine like terms: 4 + -4 = 0
0 + 3x = 25 + -4
3x = 25 + -4

Combine like terms: 25 + -4 = 21
3x = 21

Divide each side by '3'.
x = 7

Simplifying
x = 7

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